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Finding the Fourth Proportional to 36,882.30, 50,897.10 and 20,965.70

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Solution

The fourth proportional to 36,882.30, 50,897.10 and 20,965.70 is: 28,932.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,882.30 : 50,897.10 = 20,965.70 : x
  2. Step 2: Convert to fraction form
    36,882.30/50,897.10 = 20,965.70/x
  3. Step 3: Cross multiply
    36,882.30x = 50,897.10 × 20,965.70
  4. Step 4: Simplify right side
    36,882.30x = 1,067,093,329.47
  5. Step 5: Solve for x
    x = 1,067,093,329.47/36,882.30
  6. Step 6: Final answer
    x = 28,932.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.